His compassionate, labored smile in the video — made for a girl he calls "Mallory" on camera — makes it clear that this message is from the heart.

Despite his own troubles, Monteith was known for his willingness to help others. In her appearance Wednesday night on "The Tonight Show With Jay Leno," "Glee" co-star Jane Lynch remembered Cory flying across the country "on his own nickel" to see a dying fan whose last wish was to spend time with the actor.

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